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13013333120 = 2751031131747
BaseRepresentation
bin11000001111010011…
…11011010010000000
31020120220212211001202
430013221323102000
5203122403124440
65551144520332
7640324335464
oct140751732200
936526784052
1013013333120
115578761867
1226321800a8
1312c508c718
148b643a4a4
155126d7615
hex307a7b480

13013333120 has 128 divisors (see below), whose sum is σ = 31708160640. Its totient is φ = 5106253824.

The previous prime is 13013333119. The next prime is 13013333131. The reversal of 13013333120 is 2133331031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13013333092 and 13013333101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7448087 + ... + 7449833.

It is an arithmetic number, because the mean of its divisors is an integer number (247720005).

Almost surely, 213013333120 is an apocalyptic number.

13013333120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013333120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15854080320).

13013333120 is an abundant number, since it is smaller than the sum of its proper divisors (18694827520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013333120 is a wasteful number, since it uses less digits than its factorization.

13013333120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13013333120 its reverse (2133331031), we get a palindrome (15146664151).

The spelling of 13013333120 in words is "thirteen billion, thirteen million, three hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 103 113 128 160 206 226 320 412 452 515 565 640 824 904 1030 1130 1648 1747 1808 2060 2260 3296 3494 3616 4120 4520 6592 6988 7232 8240 8735 9040 11639 13184 13976 14464 16480 17470 18080 23278 27952 32960 34940 36160 46556 55904 58195 65920 69880 72320 93112 111808 116390 139760 179941 186224 197411 223616 232780 279520 359882 372448 394822 465560 559040 719764 744896 789644 899705 931120 987055 1118080 1439528 1489792 1579288 1799410 1862240 1974110 2879056 3158576 3598820 3724480 3948220 5758112 6317152 7197640 7448960 7896440 11516224 12634304 14395280 15792880 20333333 23032448 25268608 28790560 31585760 40666666 57581120 63171520 81333332 101666665 115162240 126343040 162666664 203333330 325333328 406666660 650666656 813333320 1301333312 1626666640 2602666624 3253333280 6506666560 13013333120